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$4,700,000
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Property Description
Your tropical private retreat on exclusive Mashta Island. This 6 bed / 5 bath, 3,245 SF Mediterranean villa sits on a spacious 10,000 SF lot with lush landscaping, a resort-style pool, and a private cabana guest suite. Interiors with soaring 10-foot ceilings flow seamlessly to the outdoors, perfect for entertaining and relaxed island living. Intentionally designed with two primary suites (first floor and second floor) enhancing comfort and privacy. The chef's kitchen features a gas stove, cooking island, and SubZero refrigerator. Enjoy private balconies, a circular driveway, an attached 2-car garage with laundry, covered porches, and generous storage. Key Biscayne offers the ultimate family lifestyle with world-class amenities and a true sense of community.
Full Property Details
Full Property Details for 551 S Mashta Dr
General
- Sold For: $4,700,000
- Taxes: $50,906 (2024)
- Status: Closed
- Type: Single Family
- Source: Greater_Miami
- MLS ID: A11776724
- Added to Site: 317 day(s) ago
Interior
- Interior Features: First Floor Entry, Cooking Island, Pantry, Roman Tub, Skylight, Split Bedroom, Walk-In Closet(s), Den/Library/Office, Family Room, Utility/Laundry In Garage
- Fireplace: Yes
- Fireplace(s): Fireplace
- Appliances: Dishwasher, Disposal, Dryer, Gas Range, Refrigerator, Washer
- Furnishings: Unfurnished, Furniture For Sale
- Flooring: Marble
Rooms
Bathrooms
- Total Bathrooms: 5
- Full Bathrooms: 5
- Primary Bathroom: 2 Primary Bathrooms, Dual Sinks, Separate Tub & Shower
Bedrooms
- Total Bedrooms: 6
- Bedroom Features: At Least 1 Bedroom Ground Level, Primary Bedroom Ground Level, Primary Bedroom Upstairs
Other Rooms
- Living Room: Den/Library/Office, Family Sq. Ft.
- Eat-in kitchen: Yes
- Dining Room: Breakfast Area, Eat-In Kitchen
- Laundry: In Garage
Additional Information
- Pool: Yes
- Pool Description: In Ground, 35x15
- Equipment: Automatic Garage Door Opener
Exterior
- Exterior Features: Lighting, Open Balcony
- Deck/Patio: Open Balcony, Patio
Parking
- Garage: Yes
- Attached garage: Yes
- Garage Spaces: 2
- Covered Spaces: 2
- Parking Features: Covered, Driveway, Guest
Location
- Area: Mashta Island A Replat Of
- County: Miami-Dade County
- Subdivision: MASHTA ISLAND A REPLAT OF
- Building Name: MASHTA ISLAND A REPLAT OF
- Direction Faces: South
Community
- Community Name: Mashta Island A Replat Of
- Pets Allowed: Yes
Heating & Cooling
- Air Conditioning: Yes
- Cooling Type: Central Air
- Heating Type: Central
Utilities
- Sewer: Public Sewer
- Water: Municipal Water
Structural Information
- Architectural Style: Detached, Two Story, Mediterranean
- Structure Type: Pool Only, House
- Detached/Attached: Detached
- Construction: CBS Construction
- Roof: Barrel Roof
- Windows: Complete Impact Glass, Skylight, Blinds
- Building Size: 4692
- Square Feet: 3,245
- Living Area: 3,245 Sq. Ft.
- Year Built: 1961
Additional Structures
- Other Structures: Guest House
Lot Features
- Property View: Garden
- Lot Size (Sq. Ft.): 10,000
- Lot Features: Less Than 1/4 Acre Lot
- Potential Use: Unknown/Withheld
- Zoning: 2001
- Fencing (Description): Fenced
Financial Considerations
- Price Per Sq. Ft.: $1,448.38
- Tax Amount: $50,906
- Tax Year: 2024
- Terms: All Cash, Conventional
Disclosures and Reports
- Legal Description: 5-6 55 42 MASHTA ISLAND A REPLAT OF TRS A B & C PB 65-65 LOT 15 BLK 4 LOT SIZE 100.000 X 100 OR 15512-3336 15586-1618 0492 4
- Restrictions: No Restrictions
- Property ID: 24-52-05-009-0350
Listed and Sold by One Sotheby's International Re
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Schools
Schools serving 551 S Mashta Dr
School District:Dade County School District
| Name | Grades | Distance |
|---|---|---|
Key Biscayne K-8 Center 150 West McIntyre Street, Key Biscayne, FL 33149 | PK-5 | 0.6 mi |
Ponce De Leon Middle School 5801 Augusto Street, Coral Gables, FL 33146 | 6-8 | 6.5 mi |
Coral Gables Senior High School 450 Bird Road, Coral Gables, FL 33146 | 9-12 | 6.6 mi |
Disclaimer:
School attendance boundaries provided by Pitney Bowes and are for reference only. Contact the school directly to verify enrollment eligibility.
Price & Sales History for 551 S Mashta Dr
Date
Details
Price
Change
Source
7/10/2025
Sold
$4,700,000
-14.47%
MLS
4/15/2025
Listed
$5,495,000
—
MLS
Disclaimer: Historical sales information is derived from public records provided by the county offices. Information is not guaranteed and should be independently verified.
551 S Mashta Dr, Key Biscayne, FL 33149 (MLS# A11776724) is a Single Family property that was sold at $4,700,000 on July 10, 2025. Want to learn more about 551 S Mashta Dr? Do you have questions about finding other Single Family real estate for sale in Key Biscayne? You can browse all Key Biscayne real estate or contact a Coldwell Banker agent to request more information.

